GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/openssl/pkcs8.c Lines: 67 138 48.6 %
Date: 2017-11-07 Branches: 30 73 41.1 %

Line Branch Exec Source
1
/* $OpenBSD: pkcs8.c,v 1.10 2017/01/20 08:57:12 deraadt Exp $ */
2
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3
 * project 1999-2004.
4
 */
5
/* ====================================================================
6
 * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
7
 *
8
 * Redistribution and use in source and binary forms, with or without
9
 * modification, are permitted provided that the following conditions
10
 * are met:
11
 *
12
 * 1. Redistributions of source code must retain the above copyright
13
 *    notice, this list of conditions and the following disclaimer.
14
 *
15
 * 2. Redistributions in binary form must reproduce the above copyright
16
 *    notice, this list of conditions and the following disclaimer in
17
 *    the documentation and/or other materials provided with the
18
 *    distribution.
19
 *
20
 * 3. All advertising materials mentioning features or use of this
21
 *    software must display the following acknowledgment:
22
 *    "This product includes software developed by the OpenSSL Project
23
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24
 *
25
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26
 *    endorse or promote products derived from this software without
27
 *    prior written permission. For written permission, please contact
28
 *    licensing@OpenSSL.org.
29
 *
30
 * 5. Products derived from this software may not be called "OpenSSL"
31
 *    nor may "OpenSSL" appear in their names without prior written
32
 *    permission of the OpenSSL Project.
33
 *
34
 * 6. Redistributions of any form whatsoever must retain the following
35
 *    acknowledgment:
36
 *    "This product includes software developed by the OpenSSL Project
37
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38
 *
39
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
43
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50
 * OF THE POSSIBILITY OF SUCH DAMAGE.
51
 * ====================================================================
52
 *
53
 * This product includes cryptographic software written by Eric Young
54
 * (eay@cryptsoft.com).  This product includes software written by Tim
55
 * Hudson (tjh@cryptsoft.com).
56
 *
57
 */
58
59
#include <stdio.h>
60
#include <string.h>
61
62
#include "apps.h"
63
#include "progs.h"
64
65
#include <openssl/err.h>
66
#include <openssl/evp.h>
67
#include <openssl/pem.h>
68
#include <openssl/pkcs12.h>
69
70
static struct {
71
	const EVP_CIPHER *cipher;
72
	char *infile;
73
	int informat;
74
	int iter;
75
	int nocrypt;
76
	char *outfile;
77
	int outformat;
78
	int p8_broken;
79
	char *passargin;
80
	char *passargout;
81
	int pbe_nid;
82
	int topk8;
83
} pkcs8_config;
84
85
static int
86
pkcs8_opt_v1(char *arg)
87
{
88
16
	if ((pkcs8_config.pbe_nid = OBJ_txt2nid(arg)) == NID_undef) {
89
		fprintf(stderr, "Unknown PBE algorithm '%s'\n", arg);
90
		return (1);
91
	}
92
93
8
	return (0);
94
8
}
95
96
static int
97
pkcs8_opt_v2(char *arg)
98
{
99
16
	if ((pkcs8_config.cipher = EVP_get_cipherbyname(arg)) == NULL) {
100
		fprintf(stderr, "Unknown cipher '%s'\n", arg);
101
		return (1);
102
	}
103
104
8
	return (0);
105
8
}
106
107
static struct option pkcs8_options[] = {
108
	{
109
		.name = "embed",
110
		.desc = "Generate DSA keys in a broken format",
111
		.type = OPTION_VALUE,
112
		.value = PKCS8_EMBEDDED_PARAM,
113
		.opt.value = &pkcs8_config.p8_broken,
114
	},
115
	{
116
		.name = "in",
117
		.argname = "file",
118
		.desc = "Input file (default stdin)",
119
		.type = OPTION_ARG,
120
		.opt.arg = &pkcs8_config.infile,
121
	},
122
	{
123
		.name = "inform",
124
		.argname = "format",
125
		.desc = "Input format (DER or PEM (default))",
126
		.type = OPTION_ARG_FORMAT,
127
		.opt.value = &pkcs8_config.informat,
128
	},
129
	{
130
		.name = "nocrypt",
131
		.desc = "Use or expect unencrypted private key",
132
		.type = OPTION_FLAG,
133
		.opt.flag = &pkcs8_config.nocrypt,
134
	},
135
	{
136
		.name = "noiter",
137
		.desc = "Use 1 as iteration count",
138
		.type = OPTION_VALUE,
139
		.value = 1,
140
		.opt.value = &pkcs8_config.iter,
141
	},
142
	{
143
		.name = "nooct",
144
		.desc = "Generate RSA keys in a broken format (no octet)",
145
		.type = OPTION_VALUE,
146
		.value = PKCS8_NO_OCTET,
147
		.opt.value = &pkcs8_config.p8_broken,
148
	},
149
	{
150
		.name = "nsdb",
151
		.desc = "Generate DSA keys in the broken Netscape DB format",
152
		.type = OPTION_VALUE,
153
		.value = PKCS8_NS_DB,
154
		.opt.value = &pkcs8_config.p8_broken,
155
	},
156
	{
157
		.name = "out",
158
		.argname = "file",
159
		.desc = "Output file (default stdout)",
160
		.type = OPTION_ARG,
161
		.opt.arg = &pkcs8_config.outfile,
162
	},
163
	{
164
		.name = "outform",
165
		.argname = "format",
166
		.desc = "Output format (DER or PEM (default))",
167
		.type = OPTION_ARG_FORMAT,
168
		.opt.value = &pkcs8_config.outformat,
169
	},
170
	{
171
		.name = "passin",
172
		.argname = "source",
173
		.desc = "Input file passphrase source",
174
		.type = OPTION_ARG,
175
		.opt.arg = &pkcs8_config.passargin,
176
	},
177
	{
178
		.name = "passout",
179
		.argname = "source",
180
		.desc = "Output file passphrase source",
181
		.type = OPTION_ARG,
182
		.opt.arg = &pkcs8_config.passargout,
183
	},
184
	{
185
		.name = "topk8",
186
		.desc = "Read traditional format key and write PKCS#8 format"
187
		    " key",
188
		.type = OPTION_FLAG,
189
		.opt.flag = &pkcs8_config.topk8,
190
	},
191
	{
192
		.name = "v1",
193
		.argname = "algorithm",
194
		.desc = "Use PKCS#5 v1.5 or PKCS#12 with given algorithm",
195
		.type = OPTION_ARG_FUNC,
196
		.opt.argfunc = pkcs8_opt_v1,
197
	},
198
	{
199
		.name = "v2",
200
		.argname = "cipher",
201
		.desc = "Use PKCS#5 v2.0 with given cipher",
202
		.type = OPTION_ARG_FUNC,
203
		.opt.argfunc = pkcs8_opt_v2,
204
	},
205
	{ NULL },
206
};
207
208
static void
209
pkcs8_usage()
210
{
211
16
	fprintf(stderr, "usage: pkcs8 [-embed] [-in file] "
212
	    "[-inform fmt] [-nocrypt]\n"
213
	    "    [-noiter] [-nooct] [-nsdb] [-out file] [-outform fmt] "
214
	    "[-passin src]\n"
215
	    "    [-passout src] [-topk8] [-v1 alg] [-v2 alg]\n\n");
216
8
	options_usage(pkcs8_options);
217
8
}
218
219
int
220
pkcs8_main(int argc, char **argv)
221
{
222
	BIO *in = NULL, *out = NULL;
223
	X509_SIG *p8 = NULL;
224
	PKCS8_PRIV_KEY_INFO *p8inf = NULL;
225
	EVP_PKEY *pkey = NULL;
226
48
	char pass[50], *passin = NULL, *passout = NULL, *p8pass = NULL;
227
	int ret = 1;
228
229
24
	if (single_execution) {
230
24
		if (pledge("stdio cpath wpath rpath tty flock", NULL) == -1) {
231
			perror("pledge");
232
			exit(1);
233
		}
234
	}
235
236
24
	memset(&pkcs8_config, 0, sizeof(pkcs8_config));
237
238
24
	pkcs8_config.iter = PKCS12_DEFAULT_ITER;
239
24
	pkcs8_config.informat = FORMAT_PEM;
240
24
	pkcs8_config.outformat = FORMAT_PEM;
241
24
	pkcs8_config.p8_broken = PKCS8_OK;
242
24
	pkcs8_config.pbe_nid = -1;
243
244
24
	if (options_parse(argc, argv, pkcs8_options, NULL, NULL) != 0) {
245
8
		pkcs8_usage();
246
8
		return (1);
247
	}
248
249
32
	if (!app_passwd(bio_err, pkcs8_config.passargin,
250
16
	    pkcs8_config.passargout, &passin, &passout)) {
251
		BIO_printf(bio_err, "Error getting passwords\n");
252
		goto end;
253
	}
254
16
	if ((pkcs8_config.pbe_nid == -1) && !pkcs8_config.cipher)
255
8
		pkcs8_config.pbe_nid = NID_pbeWithMD5AndDES_CBC;
256
257
16
	if (pkcs8_config.infile) {
258
16
		if (!(in = BIO_new_file(pkcs8_config.infile, "rb"))) {
259
			BIO_printf(bio_err,
260
			    "Can't open input file '%s'\n",
261
			    pkcs8_config.infile);
262
			goto end;
263
		}
264
	} else
265
		in = BIO_new_fp(stdin, BIO_NOCLOSE);
266
267
16
	if (pkcs8_config.outfile) {
268
16
		if (!(out = BIO_new_file(pkcs8_config.outfile, "wb"))) {
269
			BIO_printf(bio_err, "Can't open output file '%s'\n",
270
			    pkcs8_config.outfile);
271
			goto end;
272
		}
273
	} else {
274
		out = BIO_new_fp(stdout, BIO_NOCLOSE);
275
	}
276
16
	if (pkcs8_config.topk8) {
277
16
		pkey = load_key(bio_err, pkcs8_config.infile,
278
8
		    pkcs8_config.informat, 1, passin, "key");
279
8
		if (!pkey)
280
			goto end;
281
8
		if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey,
282
8
		    pkcs8_config.p8_broken))) {
283
			BIO_printf(bio_err, "Error converting key\n");
284
			ERR_print_errors(bio_err);
285
			goto end;
286
		}
287
8
		if (pkcs8_config.nocrypt) {
288
			if (pkcs8_config.outformat == FORMAT_PEM)
289
				PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
290
			else if (pkcs8_config.outformat == FORMAT_ASN1)
291
				i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
292
			else {
293
				BIO_printf(bio_err,
294
				    "Bad format specified for key\n");
295
				goto end;
296
			}
297
		} else {
298
8
			if (passout)
299
8
				p8pass = passout;
300
			else {
301
				p8pass = pass;
302
				if (EVP_read_pw_string(pass, sizeof pass,
303
				    "Enter Encryption Password:", 1))
304
					goto end;
305
			}
306
16
			if (!(p8 = PKCS8_encrypt(pkcs8_config.pbe_nid,
307
8
			    pkcs8_config.cipher, p8pass, strlen(p8pass),
308
8
			    NULL, 0, pkcs8_config.iter, p8inf))) {
309
				BIO_printf(bio_err, "Error encrypting key\n");
310
				ERR_print_errors(bio_err);
311
				goto end;
312
			}
313
8
			if (pkcs8_config.outformat == FORMAT_PEM)
314
8
				PEM_write_bio_PKCS8(out, p8);
315
			else if (pkcs8_config.outformat == FORMAT_ASN1)
316
				i2d_PKCS8_bio(out, p8);
317
			else {
318
				BIO_printf(bio_err,
319
				    "Bad format specified for key\n");
320
				goto end;
321
			}
322
		}
323
324
		ret = 0;
325
8
		goto end;
326
	}
327
8
	if (pkcs8_config.nocrypt) {
328
		if (pkcs8_config.informat == FORMAT_PEM)
329
			p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in, NULL,
330
			    NULL, NULL);
331
		else if (pkcs8_config.informat == FORMAT_ASN1)
332
			p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
333
		else {
334
			BIO_printf(bio_err, "Bad format specified for key\n");
335
			goto end;
336
		}
337
	} else {
338
8
		if (pkcs8_config.informat == FORMAT_PEM)
339
8
			p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
340
		else if (pkcs8_config.informat == FORMAT_ASN1)
341
			p8 = d2i_PKCS8_bio(in, NULL);
342
		else {
343
			BIO_printf(bio_err, "Bad format specified for key\n");
344
			goto end;
345
		}
346
347
8
		if (!p8) {
348
			BIO_printf(bio_err, "Error reading key\n");
349
			ERR_print_errors(bio_err);
350
			goto end;
351
		}
352
8
		if (passin)
353
8
			p8pass = passin;
354
		else {
355
			p8pass = pass;
356
			EVP_read_pw_string(pass, sizeof pass,
357
			    "Enter Password:", 0);
358
		}
359
8
		p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
360
	}
361
362
8
	if (!p8inf) {
363
		BIO_printf(bio_err, "Error decrypting key\n");
364
		ERR_print_errors(bio_err);
365
		goto end;
366
	}
367
8
	if (!(pkey = EVP_PKCS82PKEY(p8inf))) {
368
		BIO_printf(bio_err, "Error converting key\n");
369
		ERR_print_errors(bio_err);
370
		goto end;
371
	}
372
8
	if (p8inf->broken) {
373
		BIO_printf(bio_err, "Warning: broken key encoding: ");
374
		switch (p8inf->broken) {
375
		case PKCS8_NO_OCTET:
376
			BIO_printf(bio_err, "No Octet String in PrivateKey\n");
377
			break;
378
379
		case PKCS8_EMBEDDED_PARAM:
380
			BIO_printf(bio_err,
381
			    "DSA parameters included in PrivateKey\n");
382
			break;
383
384
		case PKCS8_NS_DB:
385
			BIO_printf(bio_err,
386
			    "DSA public key include in PrivateKey\n");
387
			break;
388
389
		case PKCS8_NEG_PRIVKEY:
390
			BIO_printf(bio_err, "DSA private key value is negative\n");
391
			break;
392
393
		default:
394
			BIO_printf(bio_err, "Unknown broken type\n");
395
			break;
396
		}
397
	}
398
8
	if (pkcs8_config.outformat == FORMAT_PEM)
399
		PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL,
400
		    passout);
401
8
	else if (pkcs8_config.outformat == FORMAT_ASN1)
402
8
		i2d_PrivateKey_bio(out, pkey);
403
	else {
404
		BIO_printf(bio_err, "Bad format specified for key\n");
405
		goto end;
406
	}
407
8
	ret = 0;
408
409
end:
410
16
	X509_SIG_free(p8);
411
16
	PKCS8_PRIV_KEY_INFO_free(p8inf);
412
16
	EVP_PKEY_free(pkey);
413
16
	BIO_free_all(out);
414
16
	BIO_free(in);
415
16
	free(passin);
416
16
	free(passout);
417
418
16
	return ret;
419
24
}